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Article Navigation >  PETROLEUM GEOLOGY & EXPERIMENT  > 2014  >  36(2): 211-217
Feng Songbao, Xu Wenming, Dun Yapeng. Fluid inclusion characteristics of reservoirs in Kelasu tectonic zone of Kuqa Depression and its accumulation information[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(2): 211-217. doi: 10.11781/sysydz201402211
Citation: Feng Songbao, Xu Wenming, Dun Yapeng. Fluid inclusion characteristics of reservoirs in Kelasu tectonic zone of Kuqa Depression and its accumulation information[J]. PETROLEUM GEOLOGY & EXPERIMENT, 2014, 36(2): 211-217. doi: 10.11781/sysydz201402211
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Fluid inclusion characteristics of reservoirs in Kelasu tectonic zone of Kuqa Depression and its accumulation information

doi: 10.11781/sysydz201402211
  • 1.

    School of Earth Science and Engineering, Suzhou University, Suzhou, Anhui 234000, China

  • 2. Wuxi Research Institute of Petroleum Geology, SINOPEC, Wuxi, Jiangsu 214126, China

  • 3. No.3 Exploration Team of Anhui Bureau of Coal Geology, Suzhou, Anhui 234000, China

  • Received Date: 2013-01-23
  • Rev Recd Date: 2014-02-15
  • Publish Date: 2014-03-28
    Abstract
  • The analyses of fluid inclusion characteristics of reservoirs in the Kelasu tectonic zone of the Kuqa Depression show that saline inclusions are abundant while a few of gaseous hydrocarbon inclusions and gaseous-liquid inclusions also exist. The inclusions mainly locate in quartz as lines or in planar distribution. They are small, usually about 4-10 μm. The homogenization temperature of saline inclusions is 86.2-196.1 ℃, usually in continuous distribution and varies between different regions. The salinity of saline inclusions is low, generally 2%-4%. The hydrocarbon inclusions have low abundance, usually 0.1%-8.1%. It has been concluded that natural gas charged rapidly and continuously in the Kelasu tectonic zone, and the late charging had stronger strength. Burial history studies show that natural gas accumulations have occurred ever since the Kuqa period, and are later in the Keshen zone than in the Kela zone. From east to west, accumulation period becomes later and later.

     

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